Williams, Linda D <br/><br/>
Environmental science demystified : a self-teaching guide 

 - New Delhi  Tata McGraw - Hill  2005 
 - xi, 413p.  
<br/><br/> Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>9780070606227 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biodiversity<br/>Ecosystems<br/>Environmental science<br/>Water pollution and Treatment